<html>
  <head>
    <title></title>
    <style></style>
    <script type="text/tiscript"></script>
  </head>
<body>
  <h1>H1</h1>
  <h2>H2</h2>
  <h3>H3</h3>
  <h4>H4</h4>
  <h5>H5</h5>
  <h6>H6</h6>
  <button>Show values</button>
</body>
</html>
